Bosch 8 Piece Sx Extra Hard Screwdriver Bit Set

The Bosch 8 Piece Sx Extra Hard Screwdriver Bit Set is a screwdriver bit set designed for universal screw-driving with screwdrivers and drill drivers. Each bit is made from S2 Modified Steel and goes through an optimised heat treatment process, giving extra-hard quality for general screw-driving work. The tapered torsion zone absorbs force and vibrations, so the bit copes with torque peaks during use. The 1/4-inch external hex shank gives a strong connection and maximum torque transmission in three-jaw chucks and 1/4" internal hex tool holders. This makes the set a practica